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| author | Dimitry Andric <dim@FreeBSD.org> | 2018-07-28 10:51:19 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2018-07-28 10:51:19 +0000 |
| commit | eb11fae6d08f479c0799db45860a98af528fa6e7 (patch) | |
| tree | 44d492a50c8c1a7eb8e2d17ea3360ec4d066f042 /test/CodeGen/AArch64/win-alloca-no-stack-probe.ll | |
| parent | b8a2042aa938069e862750553db0e4d82d25822c (diff) | |
Notes
Diffstat (limited to 'test/CodeGen/AArch64/win-alloca-no-stack-probe.ll')
| -rw-r--r-- | test/CodeGen/AArch64/win-alloca-no-stack-probe.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/win-alloca-no-stack-probe.ll b/test/CodeGen/AArch64/win-alloca-no-stack-probe.ll new file mode 100644 index 000000000000..0ab161f8f27a --- /dev/null +++ b/test/CodeGen/AArch64/win-alloca-no-stack-probe.ll @@ -0,0 +1,17 @@ +; RUN: llc -mtriple aarch64-windows -verify-machineinstrs -filetype asm -o - %s | FileCheck %s + +define void @func(i64 %a) "no-stack-arg-probe" { +entry: + %0 = alloca i8, i64 %a, align 16 + call void @func2(i8* nonnull %0) + ret void +} + +declare void @func2(i8*) + +; CHECK: add [[REG1:x[0-9]+]], x0, #15 +; CHECK-NOT: bl __chkstk +; CHECK: mov [[REG2:x[0-9]+]], sp +; CHECK: and [[REG1]], [[REG1]], #0xfffffffffffffff0 +; CHECK: sub [[REG3:x[0-9]+]], [[REG2]], [[REG1]] +; CHECK: mov sp, [[REG3]] |